Snapper LT160H42GBV, 2LT160H42GBV2, LT180H48GBV2,LT160H42GBV2,LT160H42GBV, LT160H42GBV2, LT180H48GBV2, WLT160H42GBV, WLT180H48GBV2 Safety Instructions & Operator's Manual

Safety Instructions & Operator’s Manual for

LAWN TRACTOR

HYDROSTATIC DRIVE

ELECTRIC CLUTCH

SERIES G

MODELS

LT160H42GBV
LT160H42GBV2
LT180H48GBV2

MODEL NUMBER EXPLANATION

LT 160 H 42 G B V 2

MODEL DESIGNATION ENGINE OPTIONS
ENGINE HP ENGINE TYPE
DRIVE SYSTEM TYPE ENGINE MODEL
CUTTING WIDTH SERIES DESIGNATION

LT – Model Designation G – Series Designation
160 – 16.0 HP (Engine Horse Power) B – Briggs & Stratton Engine
180 – 18.0 HP (Engine Horse Power) V – Over Head Valve Type Engine
H – Hydrostatic Transmission Drive System 2 – Twin Cylinder Engine
42 – 42” Cutting Width Mower Deck
48 – 48” Cutting Width Mower Deck

Thank you for buying a SNAPPER product! Before operating the Lawn Tractor, read and follow the
“IMPORTANT SAFETY INSTRUCTIONS” on pages 2 & 3, all other instructions contained in this manual and the
accompanying booklet “About Power Mower Safety”. Lawn mowers and all power equipment can be potentially
dangerous if used improperly. REMEMBER: SAFETY REQUIRES CAREFULL USE IN ACCORDANCE WITH
INSTRUCTIONS AND COMMON SENSE!

COPYRIGHT © 2000
SNAPPER INC.

ALL RIGHTS RESERVED

MANUAL No. 7-3621 (I.R. 4/15/00)

IMPORTANT SAFETY INSTRUCTIONS

WARNING: This powerf ul cutting machine is capab le of amputating hand s and feet and can throw objects that
can cause injury and damage! Failure to comply with the follow ing SAFETY instru ctions could resu lt in serious
injury or death to the operator or other persons. The owner of the machine must understand these instructions
and must allow only persons who understand these instructions to operate machine. Each person operating the
machine must be of sound mind and body and must not be under the influence of any substance, which might
impair vision, dexterity or judgment. If you have any questions pertaining to your machine which your dealer
cannot answer to your satisfaction, call or write the Customer Service Department at SNAPPER, McDonough,
Georgia 30253. Phone: [phone]).

PROTECTION FOR CHILDREN

Tragic accidents can occu r if the operator is not alert
to the presence of children. Children are often
attracted to the machine and the mowing activity.
Never assume that children will remain where you last
saw them.

1. KEEP children out of the mowing area and under
the watchful care of a responsible adult.

2. DO NOT allow children in yard when machine is
operated (even with the blade OFF).

3. DO NOT allow children or others to ride on
machine or on attachments (even with the blades
OFF). They may fall and be seriously injured.

4. DO NOT allow pre-teenage children to operate
machine.

5. ALLOW only responsible adults & teenagers with
mature judgment under close adult supervision to
operate machine.

6. DO NOT operate b lades in reverse. STO P BLADES.
LOOK and SEE behind an d down for children, pets
and hazards before and while backing.

7. USE EXTRA CARE when approaching blind
corners, shrubs, trees, or other objects that may
obscure vision.

PROTECTION AGAINST TIPOVERS

Slopes are a major factor related to loss-of-control
and tip-over accidents, which can result in severe
injury or death. All slopes require extra CAUTION. If
you cannot back up the slope or if you feel uneasy on
the slope, DO NOT mow it. Use extra care with grass
catchers or other attachments; these affect the
handling and the stability of the machine.

1. DO NOT operate machine on slopes exceeding 15
degrees (27% grade).

2. Exercise EXT REME CAUTION on slopes above 10
degrees (18% grade). Turn blades OFF when
traveling uphill. Use a slow speed and avoid
sudden or sharp turns.

3. DO NOT operate machine back and forth across
face of slopes. Operate up and down. Practice on
slopes with blades off.

4. AVOID uphill starts. If machine stops going uphill
or tires lose traction, turn blades OFF and back
slowly down the slope.

PROTECTION AGAINST TIPOVERS

(Continued From Previous Column)

5. STAY ALERT for holes and other hidden hazards.
Tall grass can hide obstacles. Keep away from
ditches, washouts, culverts, fences and
protruding objects.

6. KEEP A SAFE DISTANCE (at least 3 feet) away
from edge of ditches and other drop offs. The
machine could turn over if an edge caves in.

7. Always begin forward motion slowly and with
caution.

8. Use weights or a weighted load carrier in accordance
with instructions su pplied with a grass catcher. DO
NOT operate machine on slopes exceeding 10
degrees (18% grade) when equipped with grass
catcher.

9. DO NOT put your foot on the ground to try to
stabilize the machine.

10. DO NOT operate machine on wet grass. Reduced
traction could cause sliding.

11. DO NOT operate machine under any condition
where traction, steering or stability is doubtful.

PREPARATION

1. Read, understand, and follow instructions and
warnings in this manual and on the machine,
engine and attachments. Know the controls and
the proper use of the machine before starting.

2. Only mature, responsible persons shall operate
the machine and only after proper instruction.

3. Data indicates that operators age 60 and above,
are involved in a large percentage of mower­related injuries. These operators should evaluate
their ability to operate the mower safely enough to
protect themselves and others from serious injury.

4. Handle fuel with extra care. Fuels are flammable
and vapors are explosive. Use only an approved
fuel container. DO NOT remove fuel cap or add
fuel with engine running. Add fuel outdoors only
with engine stopped and cool. Clean spilled fuel
from machine. DO NOT smoke.

5. Practice operation of machine with BLADES OFF
to learn controls and develop skills.

6. Check the area to be mowed and remove all
objects such as toys, wire, rocks, limb s and other
objects that could cau se injury if thrown by blade
or interfere with mowing.

2

IMPORTANT SAFETY INSTRUCTIONS

PREPARATION

(Continued From Previous Page)

7. Keep people and pets out of mowing area.
Immediately STOP blades, STOP engine, and
STOP machine if anyone enters the area.

8. Check shields, deflectors, switches, blade
controls and other safety dev ices frequently for
proper operation and location.

9. Make sure all safety decals are clearly legible.
Replace if damaged.

10. Protect yourself w hen mowing and wear safety
glasses, long pants and substantial footwear.

11. Know how to STOP blades and engine quickly
in preparation for emergencies.

12. Use extra care when loading or unloading the
machine into a trailer or truck.

13. Check grass catcher components frequently for
signs of wear or deterioration and replace as
needed to prevent injury from thrown objects
going through weak or worn spots.

OPERATION

1. Mount and dismount machine from left side.

2. Start engine from operator's seat, if possible.
Make sure blades are OFF and parking brake is
set.

3. DO NOT leave machine with engine running.
STOP engine, STOP blades, SET brake, and
Remove key before leaving operators position
of any reason.

4. DO NOT operate machine unless properly
seated with feet on feet rests or pedal(s).

5. STOP BLADES and ENGINE and make sure
blades have stopped before removing grass
catcher or unclogging mower to prevent loss of
fingers or hand.

6. Blades must be OFF except when cutt ing grass.
Set blades in highest position when mowing
over rough ground.

7. Keep hands and feet away from rotating blades
underneath deck. DO NOT place foot on ground
while BLADES are ON or machine is in motion.

8. DO NOT operate machine without entire grass
catcher or guards in place. DO NOT point
discharge at people, passing cars, windows or
doors.

9. Slow down before turning.

10. Watch out for traffic when near or crossing
roadways.

11. STOP engine immediately after striking an
obstruction. Inspect machine and repair
damage before resuming operation.

12. Operate machine only in daylight or with good
artificial light.

13. Move joystick (if equipped) SLOWLY to
maintain control during speed and directional
changes.

OPERATION

(Continued From Previous Column)

14. Exercise CAUTION when pulling loads. Limit
loads to those you can safely control and attach
loads to hitch plate as specified with SNAPPER
attachment instructions.

15. DO NOT operate engine in enclosed areas.
Engine exhaust gases contain carbon
monoxide, a deadly poison.

MAINTENANCE

1. DO NOT store machine or fuel container in side
where fumes may reach an open flame, spark or
pilot light such as in a water heater, furnace,
clothes dryer or other gas appliance. Allow
engine to cool before storing machine in an
enclosure. Store fuel container o ut of the reach
of children in a well ventilated, unoccupied
building.

2. Keep engine free of grass, leaves or excess
grease to reduce fire hazard and engine
overheating.

3. When draining fuel tank, drain fuel into an
approved container outdoors and away from
open flame.

4. Check brakes frequently; adjust, repair or
replace as needed.

5. Keep all bolts, nuts and screws properly tight.
Check that all cotter pins are in proper position.

6. Always provide adequate ventilation when
running engine. Exhaust gases contain carbon
monoxide, an odorless and deadly poison.

7. Disconnect negative (black) cable from battery
before performing maintenance or service.
Cranking engine could cause injury.

8. DO NOT work under machine without safety
blocks.

9. Service engine and make adjustments only
when engine is stopped. Remove spark plug
wire(s) from spark plug(s) and secure wire(s)
away from spark plug(s).

10. DO NOT change engine governor speed
settings or overspeed engine.

11. Lubricate machine at intervals specified in
manual to prevent controls from binding.

12. Mow er blades are sharp and can cut. Wrap the
blades or wear heavy leather gloves and use
CAUTION when handling them.

13. DO NOT test for spark by grounding spark plug
next to spark plug hole; spark plug could ignite
gas exiting engine.

14. Have machine serviced by an authorized
SNAPPER dealer at least once a year and have
the dealer install any new safety devices.

15. Use only genuine SNAPPER replacement parts
to assure that original standards are
maintained.

3

TABLE OF CONTENTS

IMPORTANT SAFETY INSTRUCTIONS..........2 - 3

TABLE OF CONTENTS........................................4

SECTION 1 - FAMILIARIZATION .........................5

Components ........................................................5

Controls................................................................5

SECTION 2 -

OPERATING INSTRUCTIONS ........................6-11

Pre-start Checklist ..............................................6

Operator’s Seat Adjustment ...............................6

Starting & Stopping Engine............................ 7-8

Starting & Stopping Wheel Drive .......................8

Starting & Stopping Mower Blades................ 8-9

Parking Brake.......................................................9

Cutting Height Adjustment.................................9

Rolling Tractor with Engine Off........................10

Reverse Lockout Mechanism ...........................11

SECTION 3 -

MAINTENANCE INSTRUCTIONS ................. 12-15

Service - After First 5 Hours........................12

Change Engine Oil..........................................12

Check Blade Brake.........................................12

Check Mower Blades......................................12

Check Deck Drive Belt ...................................13

Service – Every 25 Operating Hours................13

Check Engine..................................................13

Mower Components.......................................13

Check Blade Brake.........................................13

Lubrication (Tractor)................................ 13-14

Front Wheel Bearings ....................................13

Axle Spindles..................................................13

Clutch/Brake Pivot..........................................14

Steering Sector Gear......................................14

Steering Shaft .................................................14

Steering Drag Link..........................................14

Steering Tie Rod.............................................14

Park Brake Lever ............................................14

Deck Lift Mechanism......................................14

Service - Annually...........................................15

Engine..............................................................15

Fuel Filter.........................................................15

Spark Plug.......................................................15

Hydrostatic Transmission Oil........................15

SECTION 4 -

ADJUSTMENTS & REPAIR...........................16-33

Engine Adjustments & Repair.............................16

Mower Deck & Component Adjustments ...........16

Blade Brake Adjustment ......................................16

Blade Belt Adjustment..........................................16

42” Side To Side Deck Level Adjustment...........16

42” Front To Rear Deck Level Adjustment.........17

48” Side To Side Deck Level Adjustment......18-19

48” Front To Rear Deck Level Adjustment.........19

Brake Adjustment.................................................20

Steering Adjustment.............................................20

Shifter Adjustment...........................................20-21

Traction Drive Belt Adjustment...........................21

Mower Blade Service.......................................21-24

Blade Wear Limit ..........................................21-22

Blade Sharpening..............................................22

Mower Blade Replacement...............................23

Traction Drive Belt Removal/Replace............24-27

Deck Belt Removal & Replacement ...............28-29

Battery Service.................................................30-31

Mower Spindles Bearing Replacement ..............32

AVAILABLE ACCESSORIES............................33

SECTION 5 -

ELECTRICAL SYSTEM...................................... 34

Schematics - Briggs & Stratton

(Single Cylinder Engines).................................34

Schematics - Briggs & Stratton

(Twin Cylinder Engine) .....................................34

TROUBLESHOOTING GUIDE ...................... 35-36

MAINTENANCE SCHEDULE ............................. 37

MAINTENANCE PARTS..................................... 37

WARRANTY....................................................... 38

PRIMARY MAINTENANCE............................ 39-42

4

Section 1 - FAMILIARIZATION

LEVER

SWITCH

CLUTCH/BRAKE PEDAL

DOWN

SPEED
CONTROL

BATTERY
(UNDER SEAT)

SEAT
ADJUSTMENT
KNOB

OVERRIDE
LEVER

CUTTING
HEIGHT
ADJUSTMENT
LEVER

DISCHARGE
DEFLECTOR

MOWING DECK
(42” SHOWN)

COMPONENTS

The nomenclature drawings above, illustrate the
essential components of the SNAPPER Lawn Tractor. It
is recommended that all operators of this equipment
become thoroughly familiar with the components and
their operation BEFORE OPERATING. Specific details
involving the engine are found in the separate Engine
Owner’s Manual.

PARK
BRAKE
LEVER

OPERATOR’S
SEAT

FIGURE 1.1

LIGHT

CHOKE

BLADE

FAST

SLOW

STEERING
WHEEL

ENGINE SPEED
CONTROL

DASHBOARD CONTROLS

SWITCH

IGNITION
KEY

FUEL TANK
(UNDER HOOD)

HOOD

HEADLIGHTS

ENGINE

Study the Important Safety Instructions, this Operator’s
Manual and Engine Owner’s Manual before operating
this machine. Keep these manuals available for future
reference.

CONTROLS

All operators should be acquainted with the operator’s
controls before attempting start-up or operation of the
Lawn Tractor. See the Control Panel drawing above.

5

Section 2 - OPERATING INSTRUCTIONS

2.1 PRE-START CHECKLIST

Make the following checks and perform service as
required before each start-up.

2.1.1. Check tires and add air as needed to bring
pressure to 12 P.S.I. in front tires and 12 P.S.I. in
rear tires.

2.1.2. Check guards, deflector s and covers to make
sure all are in place and securely tightened. I f guards
are missing or damaged, replace BEFORE using
mower.

2.1.3. Check engine oil and add oil as needed to
bring level up to, but not over, the FULL mark . Ref er to
engine owner’s manual for oil specifications. See Figure

2.1.

SAFE
LEVEL
AREA

FIGURE 2.1

2.1.4. Check blade switch to ensure it moves

freely. Manually pull switch out to the “ON” position
and push switch down to the “OFF” position.

2.1.5. Clean exterior surf aces of cutting deck , engine
and tractor of any accumulation of dirt, grass, oil, etc.
Keep engine air intake screens and cooling fins clean at
all times.

2.1.6. With engine “OFF” move the tractor outside
and add fuel to the fuel tank. Securely tighten fuel cap
after refueling. Refer to engine owner’s manual for fuel
specifications. See Figure 2.2.

2.1.7. Check Reverse Lock out Mechanism. R ef er to
Section “Reverse Lockout Mechanism”.

FUEL TANK

2.2 OPERATOR’S SEAT ADJUSTMENT

2.2.1. FRONT TO REAR ADJUSTMENT

1. With the engine "OFF", raise operator's seat and

loosen the two adjusting knobs on the seat support.
Lower the seat. Sit in the operator's seat and slide the
seat forward or backward until the clutch/brake pedal
can be fully depressed comfortably. Raise seat and
tighten the adjusting knobs to secure seat in position.
See Figure 2.3.

6

TIGHTEN CAP
AFTER
FILLING TANK

FIGURE 2.2

LOOSEN ADJUSTING
KNOBS TO ADJUST
SEAT

FIGURE 2.3

Section 2 - OPERATING INSTRUCTIONS

POSITION

SWITCH

2.3 STARTING & OPERATION

2.3.1. STARTING ENGINE

1. Take a comfortable position in seat of machine,

look around to make sure that the area you are going to
mow is clear of people, children and pets . Take note of
any stationary obstacles!

NOTE: The interlock system will prevent the engine from
starting if the blade switch is in the "ON" (up) position or if
the clutch/brake pedal is not fully depressed. If the interlock
system ever fails to work , DO NOT OPERATE the tractor
until the interlock has been repaired.

2. Push blade switch down to the "OFF" position. See
Figure 2.4.

PUSH BLADE SWITCH “DOWN” TO
START MACHINE

BLADE
SWITCH

5. Choke engine for cold starting by moving engine

speed control to "CHOKE" position. NOTE: Some
models are equipped with a separate chok e control,
located on the dash of the tractor. Pull the control
“OUT” to choke pos ition to start a cold engine. Little
or no choking will be needed when restarting a warm
engine. Insert key in switch. Turn key to "START"
position to crank engine and hold until engine starts,
then release key to “RUN” position. See Figure 2.6.

NOTE: DO NOT crank engine for more than five
seconds at a time. T his will help prevent the starter f rom
overheating and/or running down the battery. If cranking
time is more than f ive seconds, loc ate and correct cause
of starting problem.

6. After engine starts, release key, move the engine
speed control to "FAST" position and allow engine to
warm up before proceeding. See Figure 2.6.

OFF

FIGURE 2.4

3. Depress the clutch/brake pedal fully. See Figure 2.5.

4. Move speed control lever to neutral.

NOTE: The seat interlock will shut off the engine if the

operator gets off the seat without setting the parking
brake or if the blades are running. If the interlock ever
fails to work, DO NOT OPERATE the tractor until the
interlock has been repaired.

CLUTCH/BRAKE
PEDAL

PARK
BRAKE
LEVER

FAST

SLOW

ENGINE
SPEED
CONTROL

CHOKE

LIGHT

KEY

FIGURE 2.6

DOWN

PUSH PEDAL ALL THE
WAY DOWN TO START
ENGINE

FIGURE 2.5

WARNING

DO NOT leave machine with engine running. Stop
engine. Stop blades. Set parking brake. Remove key.

7

Section 2 - OPERATING INSTRUCTIONS

KEY

POSITION

2.3 STARTING & OPERATION (Continued)

2.3.2. STARTING WHEEL DRIVE

1. Shift speed control lever to neutral.

2. Start engine. Refer to Section “STARTING

ENGINE”.

3. Release clutch/brake pedal.

4. Slowly shift speed control lever forward for

forward motion or to the rear f or revers e motion. See
Figure 2.7.

SPEED CONTROL LEVER

NEUTRAL

REVERSE

2.4 STOPPING ENGINE, BLADE, WHEEL DRIVE

2.4.1. STOPPING ENGINE

1. Stop engine by turning key to the "OFF" position.
See Figure 2.9.

OFF

RUN

START

FORWARD
SPEEDS

FIGURE 2.7

2.3.3 STARTING MOWER BLADE

1. Start engine. Refer to Section “STARTING

ENGINE”.

2. Pull blade switch OUT to engage blade. See
Figure 2.8.

PUSH BLADE SWITCH IN TO
THE “OFF” POSITION

OFF

ON

PULL BLADE
SWITC H OUT TO
THE “ON”

FIGURE 2.8

WARNING

DO NOT operate blades in reverse. STOP BLADES.
LOOK and SEE behind and down for children, pets
and hazards before and while backing.

FIGURE 2.9

2.4.2. STOPPING WHEEL DRIVE

1. Fully depress clutch/brake pedal to stop wheel
drive. See Figure 2.10.

CLUTCH/BRAKE PEDAL

FULLY DEPRESS
CLUTCH/BRAKE PEDAL TO
STOP WHEEL MOTION

FIGURE 2.10

8

Section 2 - OPERATING INSTRUCTIONS

THE WAY DOWN

POSITION

LEVER

2.4 STOPPING

2.4.3. STOPPING MOWER BLADES

1. Stop mower blade by p u s h i n g b l ades s witch IN to

disengage blades. See Fi g u r e 2 .1 1 .

PUSH BLADE SWITCH IN TO
THE “OFF” POSITION

OFF

ON

PULL BLADE
SWITC H OUT TO
THE “ON”

FIGURE 2.11

WARNING

Once blades are disengaged, they should come to a
complete stop in 5 seconds or less. If the blades
continue to rotate after 5 seconds, the blade brake
must be repaired. Return machine to an authorized
SNAPPER dealer. DO NOT continue to operate
machine until blade brake has been repaired and
functioning properly.

2.4.4. SETTING PARK BRAKE

1. Fully depress clutch/brake pedal.

2. Move park brake lever up into slot. See Figure 2.12.

3. Release pedal.

PUSH PEDAL ALL

PARK BRAKE
LEVER

2.4.5. RELEASING PARK BRAKE

1. Fully depress clutch/br ake pedal. Move park brak e

lever “DOWN” to release park brake. Release
clutch/brake pedal. See Figure 2.13.

2.5. CUTTING HEIGHT ADJUSTMENT

1. Depress lock button on cutting height adjustment
lever. See Figure 2.14.

CLUTCH/BRAKE
PEDAL

DEPRESS
LOCK BUTTON

PARK
BRAKE

FULLY DEPRESS
CLUTCH/BRAKE
PEDAL

FIGURE 2.13

CUTTING
HEIGHT
ADJUSTMENT
LEVER

MOVE PARK BRAKE
LEVER “UP” TO
ENGAGE PARK BRAKE

FIGURE 2.12

HIGHEST CUT

LOWEST CUT

FIGURE 2.14

2. Raise or lower deck to any of six positions as

desired. Release lock button.

WARNING

DO NOT park machine on slopes.

9

Section 2 - OPERATING INSTRUCTIONS

2.6. ROLLING TRACTOR WITH ENGINE OFF

2.6.1. Rolling Hydro Models

1. With engine "OFF", move to rear of tractor.

2. Pull the roll release control all the way out to
disengage the hydro transmission. See Figure 2.15.

PULL ROLL RELEASE
CONTROL ALL THE WAY
OUT TO DISENGAGE
HYDRO TRANSMISSION

PUSH ROLL RELEASE
CONTROL ALL THE WAY
IN TO ENGAGE HYDRO
TRANSMISSION

ROLL RELEASE
CONTROL

ROLL RELEASE
CONTROL

FIGURE 2.15

3. Move tractor to desired location.

4. Set park brake.

5. Push roll release c ontrol all the way in to engage

hydro transmission. See Figure 2.15.

NOTE: The transmission will not propel the tractor if it is
left in the "ROLL" position.

DO NOT disengage the hydro transmission and coast
down slopes. DO NOT use Roll Release Control to
disengage hydro transmission unless machine motion
can be controlled and engine is off.

10

WARNING

Section 2 - OPERATING INSTRUCTIONS

2.7. REVERSE LOCKOUT MECHANISM

Data indicates that tragic back-over accidents occur
each year. These accidents usually involve unsupervised
children. Many times these children have been given
rides on the mac hine and have been trained to view this
potentially dangerous piece of machinery as fun rather
than being taught how to avoid danger.

This riding mower has a Reverse Lockout Mechanism.
This mechanis m prevents the mower from being shifted
into reverse with the blades running. To shif t into reverse
you must first s top the blades and then s hif t to rever s e. It
is our recommendation that this mechanism remain
functional and the operator of this equipment develop the
habit of never backing up with the blades running. As the
Safety Instructions Indicate, DO NOT operate blades in

reverse. STOP BLADES, LOOK AND SEE BEHIND
AND DOWN for children, pets and hazards before
and while backing.

We realize that this could cause a change to your
previous mowing method but we encourage you to adjust
to this new system. Do not defeat the Reverse Lockout
Mechanism.

If you operate your mower near roadways or use
attachments that require quicker shifting to reverse,
there is an override lever provided. This lever can be
pushed and held before engaging the blades and will
allow reverse operation until the blade switch is pushed
in to the “OFF” position, at which time the system will
return to its Reverse Lockout m ode. This feature should
never be selected unless you are absolutely sure that no
children or others are present in the mowing area and
that all children are away and supervised by a
responsible adult.

11

2.7.1. Reverse Lockout Mechanism Override

1. Stop machine. Stop blades.

2. Depress and hold Override Lever.

3. Pull blade switch “OUT” to engage blade.

4. Release Override Lever

LOOK and SEE behind and down for children, pets
and hazards before and while backing.

IMPORTANT! DO NOT use the Reverse Lockout

Mechanism Override as the nor mal operating mode. To
return to the Reverse Lockout Mechanism mode,
disengage (STOP) blades by pushing blade switch in to
the “OFF” position. The Override will reset to Reverse
Lockout.

2.7.2. Check the Reverse Lockout Mechanism
Before each use, check the Reverse Lockout
Mechanism for proper function. The following
procedure requires the operation of the engine and
blades. Before proceeding, Read, Understand, and
Follow all Safety Instructions and Warnings in this
manual and on the machine.

1. Complete Pre-Start Checklist.

2. Move machine to clear open area. DO NOT

allow children or others in area.

3. Start engine.

4. Pull blade switch “OUT” to engage blades.

5. Reverse Lockout Mechanism must prevent

speed control lever from going into reverse.

DO NOT operate machine if Reverse Lockout
Mechanism is not functioning properly. Contact your
SNAPPER dealer immediately for assistance.

WARNING

WARNING

Section 3 – MAINTENANCE

3.1 INTRODUCTION

To retain the quality of the Tractor, use genuine
SNAPPER replacement parts only. Contact a local
SNAPPER dealer for parts and ser vice assistance. For
the correct part or inform ation for a particular Tractor,
always mention the model and serial number. SNAPPER
recommends returning the Tractor to an authorized
SNAPPER dealer annually for inspection and addition
of any new devices, which might upgrade the safety of
the Tractor. For the nearest SNAPPER dealer in your
area, check the yellow pages under the heading LAWN
MOWERS. For engine parts and service, look for the
engine manufacturer’s dealers under the heading,
ENGINES - gasoline.

3.2 SERVICE - AFTER FIRST 5 HOURS

WARNING

DO NOT attempt any adjustments, maintenance or service
with the engine or blades running. STOP blades. STOP
engine. Set brake. Remove key. Remove spark plug wire
from spark plug and secure wire away from spark plug.
Engine and components can be extremely hot. Avoid burns
by allowing engine and components sufficient time to cool.

3.2.1. CHANGE ENGINE OIL

The engine is equipped with a Fastex™ oil drain.

1. Rotate drain body counterclock wise and pull out to
open drain. See Figure 3.1.

2. Dr ain oil into a 2 quart c ontainer plac ed beneath end
of oil drain.

3. After all oil has drained, push drain body "IN" and
rotate clockwise to close.

4. Fill engine with new m otor oil as specified in engine
owner's manual.

4. Check blade for straightness. Refer to Section
“ADJUSTING MOWER BLADE”.

5. Check torque of blade mounting bolts. Torque to:
42" deck - 30 to 40 ft lbs. See Figure 3.2.
48" deck - 70 to 80 ft lbs.

OIL
FILLER
TUBE

FASTEX™
OIL DRAIN

ROTATE COUNTER­CLOCKWISE AND PULL
OUT TO OPEN.
PUSH IN AND ROTATE
CLOCKWISE TO CLOSE .

FIGURE 3.1

TORQUE TO
30 TO 40 FT.LBS.

WARNING

The following procedure requires the engine and blades
to be operated. Exercise ext reme caution. Clear area of
loose parts & tools first. Only operate blades when
seated in the operator’s seat.

3.2.2. CHECK BLADE BRA KE

1. Check blade brake for proper function. Blades

should stop rotating in 5 seconds or less after pushing the
blade switch “IN” to the OFF disengaged position.

2. If blades continue to rotate longer than 5 seconds do
not operate machine. Contact your SNAPPER dealer for
assistance.

3.2.3. CHECK MOWER BLADES

1. Remove deck from tractor.

2. Carefully position deck to access blade.

3. Check blade for sharpness, wear and damage.

Refer to Section “BLADE WEAR LIMITS”.

42” DECK SHOWN

FIGURE 3.2

WARNING

Blades must stop rotating in 5 seconds or less after
blades have been turned off . DO NOT operate machine
until blade brake has been repaired and functioning
properly. Contact your SNAPPER dealer for assistance.

12

Section 3 - MAINTENANCE

3.2.4. CHECK DECK DRIVE BELT

1. The idler and spring provide proper belt tension and

require no adjustm ent. If belt is frayed, slit, severed or
belt strands exposed, replace belt before operating
mower.

3.3 SERVICE - EVERY 25 OPERATING HOURS

3.3.1. CHECK ENGINE

1. Change engine oil. Refer to Section “CHANGE

ENGINE OIL”. Refer to engine owner's m anual for oil
specification.

2. Remove and clean engine air pre-cleaner. See
Figure 3.4. Refer to engine owner's manual for
cleaning instructions.

3. Remove and replac e engine air cleaner. Refer to
engine owner's manual for service instructions.

COVER RETAINING
KNOB

AIR CLEANER COVER

ELEMENT RETAINING KNOB

CARTRIDGE ELEMENT

PRE-CLEANER
RETAINING STUD
AIR CLEANER BASE

SINGLE CYLINDER ENGINE TYPE

AIR CLEANER BASE

3.3.2. MOWER COMPONENTS

1. Check deck drive belt for proper tension. Refer

to Section, “CHECK DECK DRIVE BELT”.

2. Check blades f or sharpness, wear, damage and
torque. Refer to Section on “MOWER BLADE
SERVICE”.

3. Check mower deck for proper levelness. Refer
to Section “MOWER DECK ADJUSTMENT ­LEVELNESS”.

4. Clean mower deck.
a. Remove key from ignition switch.
b. Remove deck.
c. Clean underside of mower deck, removing all

accumulation of grass clippings and debris.
d. Clean top of deck, removing all grass clippings
and debris.

5. Lubricate spindles with 1 to 3 shots of general
purpose grease from grease gun.

IMPORTANT - 48” DECK ONLY:
Spindles on 48” deck must be kept filled with
grease. Apply grease from grease gun until
grease purges from vent located underneath
deck on spindle housing.

6. Lubricate all mower deck linkage pivot points

with a light coat of motor oil.

3.3.3. CHECK BLADE BRAKE

1. Refer to Section “CHECK BLADE BRAKE”.

3.3.4. TRACTOR LUBRICATION

1. Front Wheel Bearings

Lubricate each front wheel bearing through the
grease fitting on wheel hub. Using general purpose
grease in a grease gun, add grease until grease
purges from bearing. See Figure 3.5.

CARTRIDGE ELEMENT

PRE-CLEANER

RETAINING KNOB

AIR CLEANER COVER

COVER RETAINING CLIPS

TWIN CYLINDER ENGINE TYPE

FIGURE 3.4

RETAINING PLATE

13

FRONT WHEEL
BEARING LUBRICATION
FITTING

2. Axle Spindles

Lubricate each axle spindle with 1 to 3 shots of
general purpose grease. See Figure 3.5.

AXLE SPINDLE
LUBRICATION
FITTING

FIGURE 3.5

(Continued On Next Page)

Section 3 - MAINTENANCE

TRACTOR

POINT

3.3.4. TRACTOR LUBRICATION
(Continued From Previous Page)

3. Clutch/Brake Pivot

The clutch/brake pivot is located on the L.H.
underside of the tractor and is lubricated with one
shot of general purpose grease. See Figure 3.6.

CLUTCH/BRAKE
PIVOT LUBRICATION
FITTING

DRAG LINK
LUBRICATION

FIGURE 3.6

4. Steering Sector Gear

Lubricate with a light coat of general purpose grease.
See Figure 3.7.

LUBRICATE
STEERING
SECTOR GEAR

FIGURE 3.8

7. Steering Tie Rod

Lubricate both ends of steering tie rod with a small
amount of 30 wt. motor oil from an oil can. See
Figure 3.9.

LUBRICATE
BOTH ENDS
OF TIE ROD

FIGURE 3.9

8. Park Brake Lever

Using 30 wt. motor oil, lubricate the park brake lever
mechanism pivot points, which ar e located on the left
hand underside of tractor. See Figure 3.10. Lubricate
mechanism with a thin coat of 30 wt. motor oil.

LUBRICATE
STEERING
SHAFT GEAR

FIGURE 3.7

5. Steering Shaft

Lubricate steering shaft wear points with a light coat
of 30 wt. Motor oil.

6. Steering Drag Link

Lubricate both ends of steering drag link with a sm all
amount of 30 wt. motor oil from an oil can. See
Figure 3.8.

PARK BRAKE
LEVER

LUBRICATE
COMPONENTS ON
UNDERSIDE OF

FIGURE 3.10

9. Deck Lift Mechanism
Lubricate all wear and pivot points of the deck lift.

14

Section 3 - MAINTENANCE

3.4 ANNUALLY (END OF EACH SEASON)

Perform all maintenance as described in Section
“SERVICE - EVERY 25 OPERAT ING HOUR S”. Also
see Service Schedule.

3.4.1. ENGINE

1. Service engine according to engine owner's

manual.

3.4.2. FUEL FILTER

1. Service fuel f ilter as instructed below, on COLD
ENGINE ONLY!

NOTE: It may be necessary to drain the fuel tank before

removing fuel filter to prevent spillage of gasoline.

2. Locate fuel filter. Remove hose clamps and fuel
hoses from both sides of fuel filter.

3. Install new fuel filter part number 1-4359. See
Figure 3.11.

NEW FUEL FILTER
PART NUMBER 1-4359

FIGURE 3.11

4. Fill fuel tank with fr esh gasoline. Refer to engine

owner's manual for fuel specifications.

3.4.3. SPARK PLUG

Remove and replace engine spark plug. Refer to
engine owner's manual for corr ect replacement plug
and gap specifications.

3.4.4. HYDROSTATIC TRANSMISSION OIL

The hydrostatic transmission does not require
maintenance. If any problems arise return
immediately to a Snapper dealer.

15

Section 4 - ADJUSTMENT & REPAIR

BOLT

WARNING

DO NOT attempt any adjustments, maintenance or
service with the engine or blades running. STOP
blades. STOP engine. Set brake. Remove key.
Remove spark plug wire from spark plug and secure
wire away from spark plug. Engine and components
can be extremely hot. Avoid burns by allowing engine
and components sufficient time to cool.

4.1 ENGINE ADJUSTMENTS & REPAIR

Refer to the engine owner's manual for those
adjustments and/or repairs that can be made by the
owner.

4.2 MOWER DECK & COMPONENT ADJUSTMENTS
The following mower deck and component adjustments
and repairs can be made by the owner. However, if there
is difficulty in achieving these adjustments and repairs, it
is recommended that these repairs be made by an
authorized SNAPPER dealer.

WARNING

Blades must stop rotating in 5 seconds or less after
blades have been turned off. DO NOT operate
machine until blade brake has been repaired and
functioning properly. Contact your SNAPPER dealer
for assistance.

4.2.1. BLADE BRA KE A DJUS TMENT

The blade brake when functioning properly will stop
blade rotation in 5 seconds or less. The brake requires
no adjustment. If blades continue to rotate after 5
seconds the blade brake m ust be repair ed. Contact your
authorized SNAPPER dealer for assistance.

4.2.2. BLADE BELT ADJUSTMENT

The 42” and 48” mower deck drive belts do not
require any adjustment. If the belt does not drive
blade properly, replace belt as needed.

4.2.3. MOWER DECK ADJUSTMENT (LEVELNESS)

1. SIDE-To-SIDE (42” Decks)

Before making dec k leveling adjustments , check the
tire pressure. Check tires and add or release air as
needed to bring pressure to 12 PSI in front and 12 PSI
in rear tires. If tires are properly inflated and mowing
is still uneven, adjust side-to-side dec k levelness as
follows:

a. Place machine on a smooth level surface.
b. Turn engine off and remove key, remove spark

plug wire(s) from s park plug(s) and secure wire(s )
away from plug(s).
c. Place a piece of angle iron, pipe, or similar
object under center of deck at the rear.

X

LOOSEN
SHOULDER

d. Disconnect rear sector plates and allow center,

rear of deck to rest on angle iron.
e. Measure the distanc e from blade tips to floor. If
the measurement is within 1/8” from side-to-side, the
deck levelness is s atisfactory. If the difference f rom
side-to-side is greater than 1/8”, an adjus tment will
have to be made. See Figure 4.1.

REAR TO FRONT VIEW OF DECK

X - 1/8”

ANGLE IRON

FIGURE 4.1

f. Loosen the shoulder bolt that retains the

eccentric.
g. Turn eccentric “UP” or “DOWN” as required
until blade tips are within 1/8” of the same
distance from the floor. See Figure 4.2.

h. Tighten shoulder bolt loosened in Step “f”.
i. Readjust rear sec tor plates to align with holes

in support brackets.
j. Reconnect sector plates, remove angle iron,
pipe, etc. and recheck side to side level. Adj ust as
needed to result in blade tips being within 1/8” of the
same distance from the floor.

k. Proceed to check front to rear deck pitch.

LOOSEN
PIVOT
BOLT

TURN ECCENTRIC
AS REQUIRED

FIGURE 4.2

16

Section 4 – ADJUSTMENT & REPAIR

& WASHER

PIN

WARNING

DO NOT attempt any adjustments, maintenance or
service with the engine or blades running. STOP
blades. STOP engine. Set brake. Remove key.
Remove spark plug wire from spark plug and secure
wire away from spark plug. Engine and components
can be extremely hot. Avoid burns by allowing engine
and components sufficient time to cool.

4.2.4. MOWER DECK ADJUSTMENT (LEVELNESS)
FRONT-To-REAR (42” Decks)

1. Remove hair pins and washers securing sector

plates to rear lift arms. See Figure 4.3.

HIGHEST DECK
SETTING

2. Move sector plate as requir ed to raise or lower the

rear of deck.

NOTE: The deck should be set so that the rear of the deck
is 1/4” lower than the front.

3. If the sector plates are in their lowest setting and
proper level cannot be obtained, adjust the front lift rod
as follows:

4. Move deck lift lever to #5 position.

5. Place a 2 x 4 wooden block on edge under front

center of deck.

6. Place a 3 x 3 wooden block under rear center of
deck.

7. Remove hair pins and washers securing sector
plates. Lower rear of deck onto 3 x 3 block.

8. Remove hair pin and washer securing front lift
cable to front lift arm. See Figure 4.4.

SECTOR PLATES

LOWEST DECK
SETTING

REMOVE HAIR PIN

FIGURE 4.3

17

CLEVIS

HAIR PIN

WASHER

JAM NUT

FRONT LIFT CABLE

FRONT LIFT ROD
HANGER

FRONT LIFT ROD

FIGURE 4.4

9. Remove front lift cable and rest front of deck onto

2 x 4 block.

10. Loosen jam nut on front lift cable. See Figure 4.4.

11. Rotate front lift cable until it can be reinstalled into

front lift arm without lifting deck.

12. Sec ure lift cable to lift ar m with washer and hair pin.
Secure jam nut.

13. Reinstall sector plates onto rear hanger brackets
and secure with washers and hair pins.

14. Raise deck and remove wooden blocks.

15. Repeat steps f or f r ont to r ear level until levelnes s is

acquired.

Section 4 - ADJUSTMENT & REPAIR

4.2.5. MOWER DECK ADJUSTMENT (LEVELNESS)
SIDE-To-SIDE (48” Decks)

Before making dec k leveling adjustments , check the
tire pressure. Chec k tires and add or release air as
needed to bring pressure to 12 PSI in f ront and 12
PSI in rear tires. If tires are properly inflated and
mowing is still uneven, adjust side-to-side deck
levelness as follows:

1. Place machine on a smooth level surface.

2. Rotate outside blades so tips are pointed to the

sides of deck. See Figure 4.5. Measure the
distance from blade tips to floor. If the
measurement is within 1/8” from side-to-side, the
deck levelness is satisfactory. If the difference
from side-to-s ide is greater than 1/8”, continue to
next step for adjustment.

3. Place a 2 x 4 piece of wood under the front
middle portion of deck. Place one 2 x 4 piece of
wood under the rear of deck on both sides behind
the two outside blades. See Figure 4.5.

4. Lower deck down to rest on the three 2 x 4 pieces
of wood. Make sure there is no deck tension on
the lift rods supporting the deck.

5. Loosen the bolt and nut that secures the front lift arm
weldment to the front lift arm. See Figure 4.6.

18

FRONT LIFT
ARM

LOOSEN
NUT

TOP VIEW OF DECK

PLACE THREE 2 X 4 UNDER
FRONT AND REAR OF DECK

FIGURE 4.5

FRONT LIFT ARM
WELDMENT

TOP VIEW OF DECK

FIGURE 4.6

(Continued On Next Page)

Section 4 - ADJUSTMENT & REPAIR

BRACKET

WARNING

DO NOT attempt any adjustments, maintenance or
service with the engine or blades running. STOP
blades. STOP engine. Set brake. Remove key.
Remove spark plug wire from spark plug and secure
wire away from spark plug. Engine and components
can be extremely hot. Avoid burns by allowing engine
and components sufficient time to cool.

4.2.5. MOWER DECK ADJUSTMENT (LEVELNESS)

SIDE-To-SIDE (48” Decks)

(Continued From Previous Page)

6. Rem ove both hair pins and washers from swivel

located on rear lift rods and pull rod out of deck
brackets.

7. Rotate swivels on both sides up or down to
achieve the proper levelness. See Figure 4.7.

8. Reinstall swivel into deck bracket. Reinstall
washers and hair pins.

9. Tighten nut and bolt on front lift arm securely.

REMOVE WASHER & HAIR PIN
& ROTATE SWIVEL UP OR DOWN

FRONT
LIFT

FIGURE 4.7

SWIVEL

4.2.6. MOWER DECK ADJUSTMENT (LEVELNESS)
(FRONT To REAR)

Before making deck leveling adjustments, check the
tire pressure. Add or release air as needed to bring
pressure to 12 PSI in front and 12 PSI in rear tires. If
tires are properly inflated and m owing is still uneven,
check side-to-side deck levelness first then proceed
to front to rear adjustment. Adjust front to rear deck
levelness as follows:

DECK

1. Place machine on a smooth level surface.

2. Rotate outside blades so tips are pointed to the

front and rear of deck. Measure the distance from
blade tips to floor. The distance should be the same, or
the rear no more than 1/4” higher than the front. If the
rear blade tip is lower or is mor e than 1/4” higher than
the front, proceed to next Step for adjustment.

3. Rem ove the hair pin & washer from swivel located
on lift rod. Remove swivel/lift rod from hanger bracket.

4. Rotate swivel up or down to achieve the proper
levelness.

5. Reinstall swivel/lift rod into hanger bracket. Reinstall
washer & hair pin to secu re swivel to hanger bracket.
See Figure 4.7.

REAR LIFT ROD

REMOVE WASHER & HAIR PIN
& ROTATE SWIVEL UP OR DOWN

SWIVEL

19

Section 4 - ADJUSTMENT & REPAIR

BRAKING

WARNING

DO NOT attempt any adjustments, maintenance or
service with the engine or blades running. STOP
blades. STOP engine. Set brake. Remove key.
Remove spark plug wire from spark plug and secure
wire away from spark plug. Engine and components
can be extremely hot. Avoid burns by allowing engine
and components sufficient time to cool.

4.3 TRACTOR DRIVE COMPONENTS

4.3.1. BRAKE ADJUSTMENT

When adjusted properly, the brake should stop the
tractor in approximately 6 feet or less from top speed.
Drive the machine at maximum forward speed and
apply the brake. If s topping distance is greater than 6
feet, brake adjustment is required.

1. Turn engine “OFF”. Remove key.

2. Locate brake adjustment nut underneath the left side

at the rear of tractor. See Figure 4.8.

3. Turn nut 1 turn clockwise to increase braking
action. DO NOT over tighten brake adjustment.

4. Start engine and test brake.

5. Continue adjustment as described above until

proper brake function is achieved.

ROTATE ADJUSTING NUT
CLOCKWISE TO INCREASE
BRAKING OR COUNTER
CLOCKWISE TO DECREASE

FIGURE 4.8

4.3.2. STEERING ADJUSTMENT

Should excessive “Play” be noted in the steering,
adjust as follows:

1. Turn engine “OFF”. Remove key.

2. From left side of tractor, locate the s teering s ec tor

below fuel tank. See Figure 4.9.

FUEL TANK

ROTATE TO
REDUCE “PLAY”

ECCENTRIC
MOUNTING NUT

FIGURE 4.9

3. Loosen the eccentric m ounting nut and rotate the

eccentric clockwise until steering “Play” is reduced.
See Figure 4.9.

4. Tighten eccentric mounting nut.

4.3.3. SHIFTER ADJUSTMENT

The shift linkage is set at the factory and should not
require further adjustment. The shifter is adjusted
properly when the speed control lever can be placed
at rear edge of the neutral detent and the tractor
remains absolutely stationary. If motion is detected,
neutral adjustment will be required. DO NOT operate
a machine that creeps when shifted to neutral.

1. Stop engine. Remove key.

2. Move speed c ontrol lever to rear edge of neutral

detent and hold firmly.

3. Locate neutral adjustment nut underneath the
right rear of the tractor. See Figure 4.10

NEUTRAL
ADJUSTMENT
NUT

TURN NUT CLOCKWISE TO
REDUCE FORWARD CREEP

FIGURE 4.10

20

Section 4 - ADJUSTMENT & REPAIR

WARNING

DO NOT attempt any adjustments, maintenance or
service with the engine or blades running. STOP
blades. STOP engine. Set brake. Remove key.
Remove spark plug wire from spark plug and secure
wire away from spark plug. Engine and components
can be extremely hot. Avoid burns by allowing engine
and components sufficient time to cool. Wear heavy
leather gloves when handling or working around
cutting blades. Blades are extremely sharp and can
cause severe injury.

4.3.3. SHIFTER ADJUSTMENT
(Continued from previous page)

4. Turn the neutral adjustment nut 1/4 turn clockwise

to reduce FORW ARD creep. T urn the adjustm ent nut
1/4 turn counter cloc kwise to reduce Reverse creep.
Only turn the adjustment nut in 1/4 turn increments.

5. Check for creep in n eutral. Start engine. Move
speed control lever to rear edge of the neutral detent.
Machine should not move. If further adjustment is
required, stop engine and repeat Step 4.

4.3.4. TRACTION DRIVE BELT ADJUSTMENT

Should a gradual loss of traction be noticed, it m ay be
necessary to adjust the traction drive belt tens ion. Adjust
as follows:

1. Move tractor to a firm, level surface.

2. Turn engine "OFF". Remove key.

3. Remove mowing deck.

4. Remove the traction drive belt stationary idler

mounting bolt. See Figure 4.11.

5. Move the stationary idler one hole towards right side
of tractor for more belt tension.

NOTE: Note the orientation of belt guide and make certain it
remains in the same orientation after moving idler. Should
less tension be required move s tationary idler towards right
side of tractor. See Figure 4.11.

6. Secure stationary idler with mounting bolt.

7. Place spark plug wire onto spark plug. Set park

brake. Start engine.

8. Visually inspect traction drive belt for movement.
When properly adjusted, the traction drive belt should not
have any movement or r otation with the engine running
and park brake engaged.

9. Should movem ent be pr esent, r eadj us t traction drive
belt to release belt tension as described in previous
instructions.

4.4 MOWER BLADE SERVICE

4.4.1. (STANDARD) BLADE WEAR LIMITS

All mower blades should be check ed for excessive wear
and damage before each use. See Figure 4.12.

BELT GUIDE

STATIONARY IDLER

STATIONARY IDLER
MOUNTING BOLT

NOTCH FORMING

MOUNTING
BRACKET

MORE TENSION

LESS TENSION

MORE TENSION

LESS TENSION

MOUNTING BRACKET

BELT GUIDE - MAKE CERTAIN
BELT GUIDE ORIENTATION IS
MAINTAINED.

STATIONARY IDLER

MOUNTING BRACKET

FIGURE 4.11

NEW
BLADE

WEAR LIMIT.
CUTTING EDGE
WORN.

DANGEROUS CONDITION! DO
NOT USE ON MOWER!

FIGURE 4.12

21

Section 4 - ADJUSTMENT & REPAIR

WARNING

DO NOT attempt any adjustments, maintenance or
service with the engine or blades running. STOP
blades. STOP engine. Set brake. Remove key.
Remove spark plug wire from spark plug and secure
wire away from spark plug. Engine and components
can be extremely hot. Avoid burns by allowing engine
and components sufficient time to cool. Wear heavy
leather gloves when handling or working around
cutting blades. Blades are extremely sharp and can
cause severe injury.

4.4.2. (NINJA) BLADE WEA R LIMITS

The ninja recycling blade requires m ore frequent ser vice
intervals than standard blades. Check for excessive wear
and damage before each use. See Figure 4.13.

NEW
BLADE

WEAR LIMIT. (CRACKS
OR NOTCHES BEGIN
TO APPEAR)

STANDARD BLADE

4.4.4. (NINJA) BLADE SHA RPENING

The Ninja recycling blades requires more frequent
service intervals than standard blades. When the
blades are dull, cut grass will be ragged and lawn will
usually turn brown. Sharpen standard blades as
follows:

1. Move tractor to a firm, level surface.

2. Turn engine "OFF". Remove key.

3. Remove mowing deck from tractor.

4. Remove mower blade(s).

5. Sharpen all cutting edges of the Ninja recycling

blade at an angle of 22 to 28 degrees for optimum
performance. See Figure 4.15.

22º TO 28º

ORIGINAL CUTTING EDGE

FIGURE 4.14

NINJA BLADE

DANGEROUS CONDITION!
DO NOT USE ON MOWER!

FIGURE 4.13

4.4.3. (STANDARD) BLADE SHARP ENING

Blades should be kept sharp at all times. When the
blades are dull, cut grass will be ragged and lawn will
usually turn brown. Sharpen standard blades as
follows:

1. Move tractor to a firm, level surface.

2. Turn engine "OFF". Remove key.

3. Remove mowing deck from tractor.

4. Remove mower blade(s).

5. If a blade is in good condition, sharpen cutting

edge at an angle of 22 to 28 degrees. DO NOT
sharpen beyond existing cutting edge. Replace blades
not in good condition. See Figure 4.14.

22º TO 28º

BLADE TIP

FIGURE 4.15

22

Section 4 - ADJUSTMENT & REPAIR

BAR

WARNING

DO NOT attempt any adjustments, maintenance or
service with the engine or blades running. STOP
blades. STOP engine. Set brake. Remove key.
Remove spark plug wire from spark plug and secure
wire away from spark plug. Engine and components
can be extremely hot. Avoid burns by allowing engine
and components sufficient time to cool. Wear heavy
leather gloves when handling or working around
cutting blades. Blades are extremely sharp and can
cause severe injury.

4.4.5. 42" MOWER BLADE REPLACEMENT

1. Move tractor to a firm, level surface.

2. Turn engine "OFF". Remove key.

3. Remove mowing deck from tractor.

4. Position deck on its left side to access blade.

5. Rem ove blade mounting bolts and cone washers.

See Figure 4.16.

SPINDLE
ASSEMBLY

BLADE

SPINDLE WASHER

SPINDLE COVER CUP

DECK/DRIVE
PULLEY

SPINDLE
HOUSING
ASSEMBLY

CONE
WASHER

BLADE

MOUNTING
BOLT

BLADE

CONE
WASHER

BLADE
MOUNTING
BOLT

FIGURE 4.16

6. Install new blade.

7. Torque 30 to 40 ft lbs.

4.4.6. 48" MOWER BLADE REPLACEMENT

1. Move tractor to a firm, level surface.

2. Turn engine "OFF". Remove key.

3. Remove mowing deck from tractor.

4. Position deck to access blade.

5. Remove blade mounting nut and cone washer from

each blade. See Figure 4.17.

6. Install new blades.

7. Torque 70 to 80 ft lbs.

FIGURE 4.17

23

Section 4 - ADJUSTMENT & REPAIR

PIN

WARNING

DO NOT attempt any adjustments, maintenance or
service with the engine or blades running. STOP
blades. STOP engine. Set brake. Remove key.
Remove spark plug wire from spark plug and secure
wire away from spark plug. Engine and components
can be extremely hot. Avoid burns by allowing engine
and components sufficient time to cool.

4.4.7. TRACTION DRIVE BELT REPLACEMENT
42” Mower Deck Removal

It is necessary to remove deck in order to r eplace belts .
Remove deck as follows:

1. Place tractor on a firm, level surf ace such as a

driveway or garage floor and set the park brake.

2. Turn engine “OFF”. Remove key.

3. Lower the deck to lowest setting.

4. Remove hair pin and washer securing front lift

cable to front lift arm. See Figure 4.18.

5. Remove hair pins from the front deck hanger

rod and slide out the rod from dec k hanger brack et.
Front lift arms will be now be disconnected. See
Figure 4.19.

FRONT DECK
HANGER ROD

DECK HANGER
BRACKET

FRONT
LIFT ARM

FIGURE 4.19

RIGHT
SIDE
SHOWN

FRONT
AXLE

HAIR PIN

CLEVIS

HAIR PIN

WASHER

JAM NUT

42” DECK SHOWN

FRONT LIFT CABLE

FIGURE 4.18

6. Hold front of deck "UP" and slide the front deck

hanger rod to the right and out then lower the front of
deck to the ground.

7. Remove deck drive belt from engine pulley
bottom groove. See Figure 4.20.

FIGURE 4.20

(Continued On Next Page)

24

Section 4 - ADJUSTMENT & REPAIR

& WASHER

HANGER BRACKETS

FRAME

PULLEYS

NUTS

IDLER

STATIONARY IDLER

42” DECK SHOWN

WARNING

DO NOT attempt any adjustments, maintenance or
service with the engine or blades running. STOP
blades. STOP engine. Set brake. Remove key.
Remove spark plug wire from spark plug and secure
wire away from spark plug. Engine and components
can be extremely hot. Avoid burns by allowing engine
and components sufficient time to cool.

4.4.7. TRACTION DRIVE BELT REPLACEMENT
42” Mower Deck Removal
(Continued From Previous Page)

8. Remove hair pin and f lat washer from rear deck

hanger bracket on both sides of tractor.

9. Make note of hole used in sector plates.

10. Slide sector plates off of rear deck hanger

brackets. See Figure 4.21.

11. Slide deck from underneath machine.

SECTOR PLATES

LEFT REAR
TRACTOR

DISCONNECT SPRING
FROM FRAME

FIGURE 4.22

STATIONARY
IDLER

ENGINE
PULLEY

LOOSEN
IDLER

TRANSMISSION
PULLEY

TENSION

VIEW FROM UNDERNEATH TRACTOR

FIGURE 4.23

TRANSMISSION

DRIVE BELT

PULLEY

REAR DECK

REMOVE HAIR PIN

FIGURE 4.21

12. Disconnect traction belt idler pulley spring from

tractor frame. See Figure 4.22.

13. Loosen mounting nuts on traction drive belt
tension and stationary idlers just enough to allow belt
to clear belt guides. See Figure 4.23.

14. Remove traction drive belt from engine pulley top
groove. Remove belt from transmission pulley.

15. Remove traction drive belt.

Traction drive belt replacement

1. Place new traction drive belt over transmission

pulley and span to engine pulley.

2. Place belt into top groove of engine pulley.

3. Route belt through stationary and tension idlers.

See Figure 4.24.

4. Make certain belt is within belt guides of idlers.

5. Reattach tension idler spring to tractor frame.

TENSION

STATIONARY IDLER
BRACKET

BELT GUIDE

STATIONARY
IDLER

IDLER

FIGURE 4.24

NOTE: When installing a new belt, make certain the

stationary idler is mounted in the hole closest to the left
hand side of the tractor.

6. Reinstall mower deck in reverse order of removal.

25

Section 4 - ADJUSTMENT & REPAIR

PIN

WARNING

DO NOT attempt any adjustments, maintenance or
service with the engine or blades running. STOP
blades. STOP engine. Set brake. Remove key.
Remove spark plug wire from spark plug and secure
wire away from spark plug. Engine and components
can be extremely hot. Avoid burns by allowing engine
and components sufficient time to cool.

4.4.7. TRACTION DRIVE BELT REPLACEMENT
48” Mower Deck Removal

It is necessary to remove deck in order to r eplace belts .
Remove deck as follows:

1. Place tractor on a firm, level surf ace such as a

driveway or garage floor and set the park brake.

2. Turn engine “OFF”. Remove key.

3. Lower the deck to lowest setting.

4. Disconnect the front lift rod assembly from the

front hanger bracket. See Figure 4.25.

5. Remove hair pins from the front deck hanger

rod and slide out the rod from dec k hanger brack et.
Front lift arms will be now be disconnected. See
Figure 4.26.

BELL CRANK

FRONT DECK
HANGER ROD

ELECTRIC
CLUTCH

DECK HANGER
BRACKET

FRONT
LIFT ARM

FIGURE 4.26

RIGHT
SIDE
SHOWN

FRONT
AXLE

HAIR PIN

HAIR PIN

SWIVEL

FRONT LIFT ROD

HAIR PIN

CLEVIS

FRONT HANGER
BRACKET

48” DECK SHOWN

FIGURE 4.25

6. Turn the front wheels to the left.

7. Hold front of deck "UP" and slide the front deck

hanger rod to the right and out then lower the front of
deck to the ground.

8. Remove deck drive belt from engine pulley
bottom groove. See Figure 4.29.

LIFT
LEVER
ROD

DECK
DRIVE
BELT

FIGURE 4.27

(Continued On Next Page)

26

Section 4 - ADJUSTMENT & REPAIR

& WASHER

HANGER BRACKETS

FRAME

PULLEYS

NUTS

IDLER

STATIONARY IDLER

42” DECK SHOWN

WARNING

DO NOT attempt any adjustments, maintenance or
service with the engine or blades running. STOP
blades. STOP engine. Set brake. Remove key.
Remove spark plug wire from spark plug and secure
wire away from spark plug. Engine and components
can be extremely hot. Avoid burns by allowing engine
and components sufficient time to cool.

4.4.7. TRACTION DRIVE BELT REPLACEMENT
48” Mower Deck Removal
(Continued From Previous Page)

9. Remove hair pin and f lat washer from rear deck

hanger bracket on both sides of tractor.

10. Make note of hole used in sector plates.

11. Slide sector plates off of rear deck hanger

brackets. See Figure 4.28.

12. Slide deck from underneath machine.

SECTOR PLATES

RIGHT REAR
TRACTOR

DISCONNECT SPRING
FROM FRAME

FIGURE 4.29

STATIONARY
IDLER

ENGINE
PULLEY

LOOSEN
IDLER

TRANSMISSION
PULLEY

TENSION

VIEW FROM UNDERNEATH TRACTOR

FIGURE 4.30

TRANSMISSION

DRIVE BELT

PULLEY

REAR DECK

REMOVE HAIR PIN

FIGURE 4.28

13. Disconnect traction belt idler pulley spring from

tractor frame. See Figure 4.29.

14. Loosen mounting nuts on traction drive belt
tension and stationary idlers just enough to allow belt
to clear belt guides. See Figure 4.30.

15. Remove traction drive belt from engine pulley top
groove. Remove belt from transmission pulley.

16. Remove traction drive belt.

Traction drive belt replacement

1. Place new traction drive belt over transmission

pulley and span to engine pulley.

2. Place belt into top groove of engine pulley.

3. Route belt through stationary and tension idlers.

See Figure 4.31.

4. Make certain belt is within belt guides of idlers.

5. Attach tension idler spring to tractor frame.

TENSION

STATIONARY IDLER
BRACKET

BELT GUIDE

STATIONARY
IDLER

IDLER

FIGURE 4.31

NOTE: When installing a new belt, make certain the

stationary idler is mounted in the hole closest to the left
hand side of the tractor.

6. Reinstall mower deck in reverse order of removal.

27

Section 4 - ADJUSTMENT & REPAIR

IDLER

IDLER

GUIDE

BELT

WARNING

DO NOT attempt any adjustments, maintenance or
service with the engine or blades running. STOP
blades. STOP engine. Set brake. Remove key.
Remove spark plug wire from spark plug and secure
wire away from spark plug. Engine and components
can be extremely hot. Avoid burns by allowing engine
and components sufficient time to cool.

4.4.8. DECK BELT REMOVAL & REPLACEMENT
42" Deck Drive Belt

1. Place tractor on a firm level surface.

2. Turn engine "OFF". Remove key.

3. Remove mower deck. Refer to Section “DECK

REMOVAL”.

4. Remove deck idler tension spr ing. Loosen bolts that
secure the end of the spindle pulley covers and rotate
cover around out of the way. See Figure 4.32 & Figure

4.33.

PULLEY
COVER

9. Adjust idler pulley belt guide if necessary to obtain

1/16" clearance between belt and belt guide. See
Figure 4.34.

FIGURE 4.33

ROTATE PULLEY
COVER OUT OF
THE WAY

1/16” CLEARANCE
(TYPICAL)

SPRING TENSION IDLER

REMOVE SPRING FROM
TENSION IDLER

FIGURE 4.32

5. Remove old belt.

6. Replace with new belt.

7. Reinstall both pulley covers.

8. Reinstall mower deck to tractor.

STATIONARY

BELT

SPINDLE PULLEYS

TENSION

FIGURE 4.34

28

Section 4 - ADJUSTMENT & REPAIR

SPRING

PULLEY

WARNING

DO NOT attempt any adjustments, maintenance or
service with the engine or blades running. STOP
blades. STOP engine. Set brake. Remove key.
Remove spark plug wire from spark plug and secure
wire away from spark plug. Engine and components
can be extremely hot. Avoid burns by allowing engine
and components sufficient time to cool.

4.4.8. DECK BELT REMOVAL & REPLACEMENT
48" Deck Drive Belt

1. Place tractor on a firm level surface.

2. Turn engine "OFF". Remove key.

TOP VIEW OF

48” MOWER DECK

3. Remove mower deck. See Section on DECK

REMOVAL.

4. Remove deck idler tension spring. Remove nuts that
secure the spindle pulley covers. See Figure 4.35.

5. Remove belt.

6. Install new belt.

7. Reinstall both pulley covers.

8. Reinstall mower deck to tractor.

ELECTRIC
CLUTCH

SPINDLE
PULLEY
COVER

ENGINE TO DECK
DRIVE BELT
PART No. 4-6926

TENSION
SPRING

SPINDLE
PULLEY
COVER

TENSION

FIGURE 4.35

SPINDLE TO SPINDLE
MOWER BEL T
PART No. 2-8334

29

Section 4 - ADJUSTMENT & REPAIR

WARNING

DO NOT attempt any adjustments, maintenance or
service with the engine or blades running. STOP
blades. STOP engine. Set brake. Remove key.
Remove spark plug wire from spark plug and secure
wire away from spark plug. Engine and components
can be extremely hot. Avoid burns by allowing engine
and components sufficient time to cool.

4.5 BATTERY

4.5.1. BATTERY REMOVAL

1. Raise operator's seat.

2. Remove the two adjusting knobs.

3. Remove seat assembly and move forward. Use

care not to disconnect wires from seat switch. See
Figure 4.36.

REMOVE ADJUSTING
KNOBS AND MOVE
SEAT FORWARD

FIGURE 4.36

4. Remove negative ( - ) cable first.

5. Remove positive ( + ) cable last.

6. Remove battery. See Figure 4.37.

WARNING

Cables must be connected to batt ery terminals in the
proper position as shown in Figure 4.37. DO NOT
attempt to charge battery while installed on tractor.
DO NOT use "BOOST" chargers on the battery.

4.5.2. BATTERY INSTALLATION

1. Slide battery into battery housing.

2. Connect positive (+) cable first.

3. Connect negative (-) cable last.

4. Reinstall seat assembly. Use care not to

disconnect wires from seat switch.

5. Reinstall the two adjusting knobs.

6. Lower operator's seat.

The electrolyte (acid) produces a highly explosive
gas. Keep all sparks, flame and fire away from area
when charging battery or when handling electrolyte
or battery. Electrolyte (acid) is a highly corrosive
liquid. Wear eye protection. Wash affected areas
immediately after having eye or skin contact with
electrolyte (acid). Battery acid is corrosive. Rinse
empty acid containers with water and mutilate before
discarding. If acid is spilled on battery, bench, or
clothing, etc., Flush with clear water and neutralize
with baking soda.

4.5.3. BATTERY SERVICE

1. Remove battery. Refer to Section “BATTERY

REMOVAL”.

2. Place battery in a well ventilated area on a level
surface.

3. Using distilled water, ref ill cells as required to cover
cell plates of which can also be visualized through the
plastic battery case.

4. W ith cell caps removed, connect battery charger to
battery terminals. Red to positive (+) terminal and black
to negative (-) terminal.

5. Slow charge battery at 1 amp for 10 hours.

6. If battery will not accept charge or is partially charged

after 10 hours of charging at 1 am p, replace with new
battery.

4.5.4. BATTERY STORAGE

When out of season, it is recommended the battery be
removed, charged and stored.

1. Remove battery. Refer to Section “BATTERY
REMOVAL”.

2. Perform battery servi ce.

3. Bring battery to full charge, if required.

4. Store battery in an area away from the RIDER on a

wood surface. DO NOT STORE BATTERY ON A
CONCRETE SURFACE.

REMOVE NEGATIVE (-)
CABLE FIRST

FIGURE 4.37

WARNING

REMOVE POSITIVE
(+) CABLE LAST

30

Section 4 - ADJUSTMENT & REPAIR

WARNING

DO NOT OVERFILL! Never attempt to service or
charge the battery while it is installed on the machine.
DO NOT use “BOOST” chargers on the battery.

4.5.5. BATTERY TESTING

There are two types of battery tests: Unloaded and
Loaded. The unloaded test is the procedure that will
be discussed. It’s the simplest and most commonly
used. An unloaded test is m ade on a battery without
discharging current. To perform unloaded testing,
check charge condition using either a hydrometer or
voltmeter.

1. Using a voltmeter, voltage readings appear
instantly to show the state of charge. Remember to
hook the positive lead to the battery’s positive
terminal, and the negative lead to the negative
terminal.

2. A hydrometer measures the specific gravity of
each cell. The specific gravity tells the degree of
charge; generally, a specific gravity of about 1.265 to

1.280 indicates full charge. A reading of 1.230 to

1.260 indicates the battery should be charged. The
chart on the next page shows the charge level as
measured by syringe float hydrometer, digital
voltmeter and five ball hydrometer.

4.5.6. NEW BATTERY PREPA RA TION

1. Remove battery from carton.

2. Place battery in a well ventilated area on a level non-

concrete surface.

3. Remove battery cell caps. Fill cells as required
with electrolyte (purchased separately) to proper level.
Fill to 3/16” above cell plates. Filling battery with
electrolyte will bring the battery to 80% charged state.

4.5.7. BATTERY TESTING

Battery Condition Chart

State of Charge Syringe Hydrometer Digital Voltmeter Five Ball Hydrometer

100% Charged w/ Sulfate Stop 1.280 12.80v Five Balls Floating
100% Charged 1.265 12.60v Four Balls Floating
75% Charged 1.210 12.40v Three Balls Floating
50% Charged 1.160 12.10v Two Balls Floating
25% Charged 1.120 11.90v One Ball Floating
0% Charged Less than 1.100 Less than 11.80v Zero Balls Floating

4. W ith cell caps removed, connect battery charger to
battery terminals; RED to positive (+) and BLACK to
negative (-) terminal.

IMPORTANT: 3/16” above cell plates is the recommended
level. DO NOT place anything in battery other than specified
electrolyte.

5. Slow charge the battery at 1 amp for 2 hours to
bring the battery to full charge.

6. After charging, c heck level of electrolyte and add
as needed to bring level to 3/16” above cell plates.

7. Reinstall cell caps.

8. Slide battery partially into battery housing.

9. Connect positive (+) cable (red) first, from wiring

harness to the positive terminal ( +) on battery using bolt
and nut provided in hardware bag. Connect negative (-)
cable (black) last, to negative terminal (-) on battery
using bolt and nut. Apply a small am ount of gr eas e over
terminals to prevent corrosion.

10. Insert battery completely into battery housing.

11. Reinstall seat assembly.

WARNING

Shield the positive terminal with terminal cover
located on battery harness. This preven ts metal from
touching the positive terminal, which could cause
sparks. Cables must be connected to battery
terminals in the proper position. RED (Positive) cable
must go to the ( + ) terminal. BLACK (Negative) cable
must go to the ( - ) terminal.

31

Section 4 - ADJUSTMENT & REPAIR

PULL

EY

BEARING

HOUSING

BEARING

SHAFT

SPINDLE

4.6 MOWER SPINDLES (Field Serviceable Spindles)
BEARING REPLACEMENT – 48” Deck Only

In the event that a spindle bearing requires

replacement, the SNAPPER Field Serviceable
Spindles have been designed so that no special
tools or presses are required.

1. Remove belt. Loosen blade nut and remove.
Allow blade bolt, washer, blade and four spacers to
drop down out of the spindle housing. See Figure

4.38.

REMOVE NUT

REMOVE BELT FROM

REMOVE BLADE BOLT

FIGURE 4.38

2. Remove spindle pulley from spindle shaft.

3. Locate circular retaining r ing on spindle shaft at
top bearing. Remove retaining ring. Allow spindle
shaft to drop out of housing.

4. Top and bottom bearings are now removable.
Pull out on inner race to slide bearing from hous ing.
See Figure 4.39.

BEARING

SPINDLE

INNER RACE

RETAINING RING

BEARING SEAL

SPINDLE

FIGURE 4.39

5. Thoroughly clean all parts removing all old

6. Install new bottom bearing first.
NOTE: The bearing is sealed/shielded on one side

7. Insert spindle shaft up through the bottom

8. Install new top bearing. Install the top bearing

9. Slide circular retaining ring down spindle shaft

10. Place spindle pulley and spacer on top of

11. Reinstall blade bolt, washer, blade and four

12. Torque blade bolt and nut to 60 to 75 ft. lbs.
IMPORTANT: Spindle housing must be filled

13. Pump grease into spindle housing until grease

14. After the first 5 hours of operation, grease

contaminated grease.

only. The bottom bearing m ust be installed with the
sealed/shielded side DOWN.

bearing. Slide spacer down over spindle shaft.
with the seal/shield UP.
until it fully locks into groove on shaft.
spindle shaft.
spacers.

with grease before operatin g mower. Failure to
fill housing will cause premature bearing failure.

purges from vent on housing.
spindle housing to insure it is full, then every 25

hours.

32

Section 4 - ADJUSTMENT & REPAIR

AVAILABLE ACCESSORIES

The SNAPPER LAWN TRACTOR can be equipped with a variet y of accessories that increase its versatility. The
accessories available for each model are listed in the chart below. Contact an authorized SNAPPER dealer for
ordering any of the accessories desired.

AVAILABLE
ACCESSORIES

Thatcherizer 6-1247 6-1247
Dethatcher 6-1912 6-1912
Lawn Sweeper Dethatcher 6-1914 6-1914
Lawn Sweeper 6-1913 6-1913
Aerator 6-1911 6-1911
Broadcast Spreader 6-1916 6-1916
Lawn Roller 6-1915 6-1915
42” Snow Blade* 6-1352 N/A
46” Dozer Blade Spring Trip**** 6-1881 6-1881
Dozer Blade Support Kit 6-1370 6-1370
40” Snow Thrower**** 6-1880 N/A
Debris Blower**** 6-1883 N/A
RAD Quick Hitch/Subframe Kit 6-1879 N/A
Rear Weight Kit 6-1245 6-1245
Tire Chains (1) 6-1399 / (2) 6-1333 6-1333
Ninja Recycling/Mulch Kit 6-1987 NA
48” Wave Recycling /Mulch Kit NA 6-3110
Single Bag Catcher*** 6-0944 NA
Adapter Mounting Kit 6-1334 6-1334
Utility Trailer 6-1910 6-1910
Front Bumper 6-1982 6-1982

* Requires Dozer Blade Support Kit ***Requires Adapter Mounting Kit
** Requires Snow Thrower Support Kit ****Requires Hitch/Subframe Kit

(1) LT160H42GBV
(2) LT160H42GBV2

LT180H48GBV2

33

SECTION 5 - ELECTRICAL SYSTEM

34

TROUBLESHOOTING GUIDE

PROBLEM PROBABLE CAUSE CORRECTIVE ACTION

Starter Will Not

Crank Engine

Engine Will Not

Start

Engine Stalls After

Running

Engine Loses

Power

Engine Backfires

When Turned To

“STOP”

Excessive

Vibration

1. Battery dead. 1. Service battery.

2. Blown fuse. 2. Replace fuse.

3. Electrical connections loose or corroded. 3. Clean and check connections for good contact.

4. Defective ignition switch. 4. Contact authorized SNAPPER dealer.

5. Starter Spins without engaging. 5. Release Start key and repeat attempt. If starter
continues to spin contact Engine Dealer.

1. Blade engagement switch in the “ON” position. 1. Move blade engagement switch to “OFF”.

2. Park brake not set. 2. Set park brake.

3. Fuel tank empty. 3. Fill fuel tank with fresh fuel.

4. Engine needs choking. 4. Move engine speed control to “CHOKE”.

5. Spark plug wire disconnected. 5. Place spark plug wire onto spark plug.

6. Battery weak or dead. 6. Service battery.

7. Faulty interlock switch. 7. Contact authorized SNAPPER dealer.

1. Operator not in seat. 1. Sit in operator’s seat.

2. Engine speed control in the “CHOKE” position. 2. Move engine speed control to “FAST”.

3. Fuel tank empty. 3. Fill with fuel to proper level.

4. Engine air pre-cleaner and or air cleaner dirty. 4. Clean free of all debris.

5. Spark plug defective or gap set improperly. 5. Service spark plug.

6. Fuel filter stopped up. 6. Replace fuel filter.

7. Water, debris or stale fuel in fuel system. 7. Drain and clean fuel system.

1. Excessive load on engine. 1. Lessen load by slowing ground speed.

2. Engine air pre-cleaner or air cleaner dirty. 2. Clean or replace filters.

3. Engine oil level low. 3. Fill with engine oil to proper level.

4. Engine cooling fins and air screens

4. Clean free of all debris.

excessively dirty.

5. Spark plug faulty. 5. Service spark plug.

6. Water, debris or stale fuel in fuel system. 6. Drain and clean fuel system.

1. Engine speed control set too “FAST”. 1. Set engine speed control to “SLOW” and allow

engine to idle. Then, turn key to “OFF”.

1. Damaged or bent mower blades. 1. Service mower blade(s).

2. Loose blade components. 2. Service and tighten loose parts.

3. Loose or missing air lift (if equipped). 3. Replace air lifts. Tighten to proper torque.

(Continued on Next Page)

35

TROUBLESHOOTING GUIDE

(Continued From Previous Page)

PROBLEM PROBABLE CAUSE CORRECTIVE ACTION

Tractor Will Not

Move Or Loss Of

Ground Speed

Blade(s) Not

Turning

Cutting Grass

Improperly

Poor Grass

Discharge

Battery Will Not

Charge

Transmission

1. Speed control handle in the neutral “N” position. 1. Place speed control in desired speed.

2. Roll release control in “ROLL” position. 2. Move roll release control to the engaged position.

3. Shifter out of adjustment. 3. Adjust shifter.

4. Traction drive belt requires adjustment. 4. Adjust traction drive belt.

5. Traction drive belt requires replacement. 5. Replace traction drive belt.

1. Blade engagement switch in the “OFF” position. 1. Move switch to the “ON” position.

2. Blade belt requires adjustment. 2. Adjust mower belt.

3. Blade belt requires replacement. 3. Replace mower belt.

4. Electric clutch not functioning. 4. Contact authorized SNAPPER dealer.

1. Uneven tire pressure. 1. Bring to proper pressure.

2. Cutting height too low or high. 2. Adjust cutting height.

3. Engine speed too slow. 3. Move engine speed control to “FAST”.

4. Forward speed too fast. 4. Move speed control to a slower speed.

5. Deck side to side level requires adjustment. 5. Adjust side to side level.

6. Deck front to rear level requires adjustment. 6. Adjust front to rear level.

7. Cutting Blade dull or damaged. 7. Sharpen cutting edges or replace blade.

8. Blade belt requires replacement. 8. Replace blade belt.

9. Blade belt slipping. 9. Replace blade belt.

1. Engine speed too slow. 1. Move engine speed control to “FAST”.

2. Forward speed too fast. 2. Move speed control to a slower speed.

3. Grass is wet. 3. Mow when grass is dry.

4. Excessively worn or damaged blade(s). 4. Service mower blade(s).

5. Build up of grass clippings and debris under

5. Clean deck.

deck.

6. Improper blade(s) installed on deck. 6. Install proper SNAPPER blades.

7. Blade(s) installed improperly on deck. 7. Install blades properly.

1. Poor cable connections. 1. Clean cables and battery terminals.

2. Bad battery cell(s). 2. Replace with new battery .

3. Faulty alternator. 3. Contact engine manufacturer’s dealer.

1. Leaking axle seats. 1. Contact authoriz ed SNAPPER dealer.

2. Leaking at casing seal. 2. Contact authorized SNAPPER dealer.

36

MAINTENANCE SCHEDULE

SUBJECT SERVICE

TO BE PERFORMED

Engine Check Oil Level

Engine Initial Oil Change

Engine Periodic Oil Change

Air Pre-Cleaner Service Sponge Pre-

Cleaner Element

Air Cleaner Replace Element

Spark Plug Replace Plugs

Fuel Filter Replace Filter

Engine Cooling
System
Battery Check Electrolyte Page 30-31 X X
Battery Charge Battery

Tires Check Pressures

Drive Belts Check For Wear And

Mower Blades Check Wear, Damage,

Mower Deck Clean Debris

Mower
Deck
Lubrication
Points
Hydrostatic
Trans. Oil
Reverse
Lockout
Mechanism

*Change oil every 25 hours when operating under heavy load or high temperatures.
**Clean more often under dusty conditions or when air debris is present

Clean Shrouds & Fins Engine Manual

Tension

And Blade Brake

Accumulation

Clean Outside and
Underside
Grease or Oil

Check Oil Level

Check Function

REFERENCE

PAGES

Page 6 X

Page 12 X

Page 13 X*

Engine Manual

Engine
Manual.
Engine Manual
15
Page 15 X

Page 30-31 X

Page 6 X X

Pages 24-29 X X

Pages 13, 21­23

Page 13 X X X

Page 13 X X X

Pages 13-14 X X

Page 15 X

Page 11 X

EACH

USE 5 HOURS

X**

X**

X

X**

X

25

HOURS

50

HOURS

100

HOURS

EACH

SEASON

MAINTENANCE PARTS

TRACTOR DRIVE BELTS MOWER BLADES

MODEL No. Engine to Transmission Engine to Deck Spindle to Spindle Standard NINJA
LT160H42FBV 7-3639 2-9205 --- 2-6691 2-6407
LT160H42FBV2 7-3639 2-9205 --- 2-6691 2-6407
LT180H48FBV2 7-3639 4-6926 2-8334 2-9247 ---

37

3 YEAR LIMITED WARRANTY

For three (3) years from pur chase date for the original purchaser's r esidential, non-commerc ial use, SNAPPER, through
any authorized SNAPPER dealer will replace, free of charge (except for taxes where applic able), any part or parts found
upon examination by the factory at McDonough, Georgia, to be defective in material or workmanship or both.

For ninety (90) days from purchase date for the original purchaser's commercial, rental, or other non-residential use,
SNAPPER, through any authorized SNAPPER dealer will replace, free of charge, any part or parts found upon
examination by the factory at McDonough, Georgia, to be defective in material or workmanship or both.

All transportation costs incurred by the purchaser in submitting material to an authorized SNAPPER dealer for
replacement under this warranty must be paid by the purchaser.

This warranty does not apply to engines and their components, and batteries, as these items are warranted separately.
This warranty does not apply to parts that have been damaged by accident, alteration, abuse, improper lubrication, normal
wear, or other cause beyond the control of SNAPPER. This warranty does not cover any machine or com ponent part that
has been altered or modified changing safety, performance, or durability.

Batteries have a one (1) year prorated warranty period with free replacem ent if required during the first ninety (90) days
from the original purchas e date. SNAPPER will not be responsible for any installation cost incurred. T he battery warranty
only covers original equipment batteries and does not cover damage to the battery or machine caused by neglect or
abuse, destruction by fire, explosion, freezing, overcharging, improper maintenance, or use of improper electrolyte.

There is no other express warranty.

DISCLAIMER OF WARRANTY
Implied warranties, including those of merchantability and fitness for a particular purpose, are limited to three (3)
years from purchase date for the original purchaser's residential or other non-commercial use, and ninety (90)
days from purchase for the original purchaser's commercial, rental or other non-residential use, and to the extent
permitted by law, any and all implied warranties are excluded. This is the exclusive remedy. Liabilities for
consequential damages, under any and all warranties are excluded.

Some states do not allow limitations on how long an implied warranty lasts, or do not allow the exclusion or
limitation of incidental or consequential damages, so the above limitation or exclusion may not apply to you.

This warranty gives you specific legal rights, and you may also have other rights which vary from state to state.

WARNING: THE USE OF REPLACEMENT PARTS OTHER THAN GENUINE SNAPPER PARTS MAY IMPAIR THE
SAFETY OF SNAPPER PRODUCTS AND WILL VOID ANY LIABILITY AND WARRANTY BY SNAPPER ASSOCIATED
WITH THE USE OF SUCH PARTS.

IMPORTANT: Please fill out the attached SNAPPER Product Registration Card immediately and mail to:

Snapper’s Product Registration Ce nter, P.O. Box 1379, McDonough, Georgia 30253

38

PRIMARY MAINTENANCE

39

PRIMARY MAINTENANCE

40

PRIMARY MAINTENANCE

41

PRIMARY MAINTENANCE

42

SERVICE NOTES

___________________________________________________________________
___________________________________________________________________
___________________________________________________________________
___________________________________________________________________
___________________________________________________________________
___________________________________________________________________
___________________________________________________________________
___________________________________________________________________
___________________________________________________________________
___________________________________________________________________
___________________________________________________________________
___________________________________________________________________
___________________________________________________________________
___________________________________________________________________
___________________________________________________________________
___________________________________________________________________
___________________________________________________________________
___________________________________________________________________
___________________________________________________________________
___________________________________________________________________
___________________________________________________________________
___________________________________________________________________
___________________________________________________________________
___________________________________________________________________
___________________________________________________________________
___________________________________________________________________
___________________________________________________________________
___________________________________________________________________
___________________________________________________________________
___________________________________________________________________
___________________________________________________________________
___________________________________________________________________
___________________________________________________________________
___________________________________________________________________
___________________________________________________________________
___________________________________________________________________
___________________________________________________________________
___________________________________________________________________
___________________________________________________________________
___________________________________________________________________
___________________________________________________________________
___________________________________________________________________

43

Safety Instructions & Operator’s Manual for

ENGINE EXHAUST, SOME OF ITS CONSTITUENTS, AND CERTAIN VEHICLE COMPONENTS CONTAIN OR

STATE OF CALIFORNIA TO CAUSE CANCER OR OTHER

BATTERY POSTS, TERMINALS AND RELATED ACCESSORIES CONTAIN LEAD AND LEAD COMPOUNDS,

NIA TO CAUSE CANCER AND BIRTH DEFECTS OR OTHER

LAWN TRACTOR
HYDROSTATIC DRIVE
ELECTRIC CLUTCH
SERIES G

IMPORTANT

Snapper products are built using engines that meet or exceed all applicable emissions requirements on the date
manufactured. The labels on those engines contain very important emissions information and critical safety
warnings. Read, Understand, and Follow all warnings and instructions in this manual, the engine manual, and on
the machine, engine and attachments. If you have any questions about your Snapper product, contact your local
authorized Snapper dealer or contact Snapper Customer Service at Snapper, McDonough, GA. 30253. Phone: (1­800-935-2967).

WARNING

CHEMICALS KNOWN TO THE STATE OF CALIFOR
REPRODUCTIVE HARM. WASH HANDS AFTER HANDLING.

WARNING

EMIT CHEMICALS KNOWN TO THE
REPRODUCTIVE HARM.

COPYRIGHT © 2000
SNAPPER INC.
ALL RIGHTS RESERVED

MANUAL No. 7-3621 (I.R. 4/15/00)

44